A method of seaming together two fiberglass pool components can include providing a first fiberglass pool component having a first edge. The method can also include providing a second fiberglass pool component having a second edge. A first tongue can extend from the first edge. A second tongue can extend from the second edge. The method can also include applying a first adhesive to a top surface of the first tongue and positioning a bottom surface of the second tongue on the first adhesive. A second adhesive can be applied on a top surface of the second tongue. A tile or tiles can be positioned on the second adhesive. A silicone sealant or a silicone grout can be applied between the tile and the first edge; and between the tile and the second edge.